<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>简单的前后端交互</title>
</head>
<body>
    <h1>请输入你的名字：</h1>
    <form action="/submit" method="post">
        <input type="text" name="name" placeholder="你的名字">
        <button type="submit">提交</button>
    </form>

    <div>
    <h1>请输入你的名字1：{{user.username}}</h1>
   <h1>请输入你的email1：{{user.email}}</h1>
    </div>
    <div>
    <h1>请输入你的名字2：{{person['username']}}</h1>
   <h1>请输入你的email2：{{person['email']}}</h1>
    </div>
</body>
</html>